20749862

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78007}}^1$

素因数の和:78035

約数の個数: 16

約数和(自身を含む): 37443840

約数和(自身を除く): 16693978

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 78007, 156014, 546049, 1092098, 1482133, 2964266, 10374931, 20749862]

約数ペア:

[(1, 20749862), (2, 10374931), (7, 2964266), (14, 1482133), (19, 1092098), (38, 546049), (133, 156014), (266, 78007)]